Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  1b1d5999ed80f7abfbf42f022186086daa3dc6c0

Drop support for syck-pecl

It doesn't seem to even compile with recent PHP, and was partially
ignored already.

Change-Id: I4095d879d2853f8d90f053eb9b454ddacd3b809d